:root{color:#20242b;background:#f4f6f8;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;letter-spacing:0}
*{box-sizing:border-box}
body{margin:0;min-width:320px;background:#f4f6f8;color:#20242b}
.shell{width:min(920px,calc(100% - 32px));margin:0 auto}
header{padding:48px 0 30px;background:#171a1f;color:#fff;border-bottom:4px solid #2f9e68}
.brand-row{display:flex;align-items:center;gap:18px}
.brand-mark{display:block;width:64px;height:64px;border-radius:8px}
.eyebrow{margin:0 0 10px;color:#9ecfb7;font:700 12px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace}
h1{margin:0;font-size:36px;line-height:1.15;letter-spacing:0}
.lede{margin:8px 0 0;color:#cbd1d8;font-size:16px}
main{padding:30px 0 24px}
.not-found{padding-top:48px}.not-found p{margin:12px 0 20px;color:#5b6470}
.channel-list{border:1px solid #d7dce2;border-radius:8px;overflow:hidden;background:#fff}
.channel{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;padding:24px;border-bottom:1px solid #e2e6ea}
.channel:last-child{border-bottom:0}
.channel-stable{border-left:5px solid #2f9e68}
.channel-beta{border-left:5px solid #d79b25}
.channel-heading{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
h2{margin:0;font-size:20px;line-height:1.3;letter-spacing:0}
.version,.status{display:inline-flex;padding:3px 7px;border-radius:4px;background:#edf1f4;color:#4b5563;font:700 12px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace}
.channel p{margin:6px 0 15px;color:#5b6470;font-size:14px;line-height:1.6}
dl{display:grid;gap:7px;margin:0}
dl div{display:grid;grid-template-columns:72px minmax(0,1fr);gap:10px;font-size:13px;line-height:1.5}
dt{color:#7a838e}dd{margin:0;color:#343a42}.checksum{overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.install{display:inline-flex;align-items:center;justify-content:center;min-width:116px;min-height:42px;padding:10px 14px;border-radius:6px;background:#1d6fd8;color:#fff;text-decoration:none;font-size:14px;font-weight:700}
.install:hover{background:#155bb4}.install:focus-visible{outline:3px solid #8bbcf5;outline-offset:2px}
.install.disabled{background:#d7dce2;color:#68717b}
.manager-note{margin:16px 0 0;padding-left:13px;border-left:3px solid #6b7280;color:#555e68;font-size:13px;line-height:1.7}
footer{display:flex;justify-content:space-between;gap:16px;padding:16px 0 28px;color:#707985;font-size:12px}
@media(max-width:640px){header{padding:34px 0 24px}h1{font-size:29px}.channel{grid-template-columns:1fr;gap:16px;padding:20px 18px}.install{width:100%}dl div{grid-template-columns:1fr;gap:1px}footer{flex-direction:column}}